Comstock Set to Join Russell Microcap® Index

VIRGINIA CITY, June 07, 2021 - Comstock Mining Inc. (NYSE: LODE) ("Comstock" and the "Company") announced today that it is set to join the Russell Microcap Index at the conclusion of the 2021 Russell Microcap Index's annual reconstitution, effective after the US market opens on June 28, 2021, according to the preliminary list of additions posted June 4, 2021. Membership in the Russell Microcap^? Index means automatic inclusion in the appropriate growth and value indexes. FTSE Russell determines membership for its indices primarily by objective, market-capitalization rankings and style attributes.

Mr. Corrado De Gasperis, Comstock's Executive Chairman and CEO stated, "The inclusion in the Russell Microcap Index recognizes our value growth and positions our capital base for the next phase of our growth. Our leadership in innovation and the sustainable extraction, valorization, and production of clean, renewable natural resources continues to gain recognition, including now with Russell, and we and our shareholders are grateful for this new association."

Russell indexes are widely used by investment managers and institutional investors for index funds and as benchmarks for active investment strategies. Approximately $10.6 trillion in assets are benchmarked against Russell's US indexes. Russell indexes are part of FTSE Russell, a leading global index provider.

For more information on the Russell Microcap^? Index and the Russell indexes reconstitution, go to the "Russell Reconstitution" section on the FTSE Russell website.

About Comstock Mining Inc.

Comstock Mining Inc. (NYSE: LODE) (the "Company") is an emerging leader in the sustainable extraction, valorization, and production of innovation-based, clean, renewable natural resources, with a focus on high-value, cash-generating, strategic materials that are essential to meeting the rapidly increasing global demand for clean energy, carbon-neutrality, and natural products. To learn more, please visit www.comstockmining.com.

About FTSE Russell

FTSE Russell is a global index leader that provides innovative benchmarking, analytics and data solutions for investors worldwide. FTSE Russell calculates thousands of indexes that measure and benchmark markets and asset classes in more than 70 countries, covering 98% of the investable market globally.

FTSE Russell index expertise and products are used extensively by institutional and retail investors globally. Approximately $17.9 trillion is currently benchmarked to FTSE Russell indexes. For over 30 years, leading asset owners, asset managers, ETF providers and investment banks have chosen FTSE Russell indexes to benchmark their investment performance and create ETFs, structured products and index-based derivatives.

A core set of universal principles guides FTSE Russell index design and management: a transparent rules-based methodology is informed by independent committees of leading market participants. FTSE Russell is focused on applying the highest industry standards in index design and governance and embraces the IOSCO Principles. FTSE Russell is also focused on index innovation and customer partnerships as it seeks to enhance the breadth, depth and reach of its offering.

FTSE Russell is wholly owned by London Stock Exchange Group.

For more information, visit www.ftserussell.com.

Forward-Looking Statements

This press release and any related calls or discussions may include forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of historical facts, are forward-looking statements. The words "believe," "expect," "anticipate," "estimate," "project," "plan," "should," "intend," "may," "will," "would," "potential" and similar expressions identify forward-looking statements, but are not the exclusive means of doing so. Forward-looking statements include statements about matters such as: consummation of all pending transactions; project, asset or Company valuations; future industry market conditions; future explorations, acquisitions, investments and asset sales; future performance of and closings under various agreements; future changes in our exploration activities; future estimated mineral resources; future prices and sales of, and demand for, our products; future impacts of land entitlements and uses; future permitting activities and needs therefor; future production capacity and operations; future operating and overhead costs; future capital expenditures and their impact on us; future impacts of operational and management changes (including changes in the board of directors); future changes in business strategies, planning and tactics and impacts of recent or future changes; future employment and contributions of personnel, including consultants; future land sales, investments, acquisitions, joint ventures, strategic alliances, business combinations, operational, tax, financial and restructuring initiatives; the nature and timing of and accounting for restructuring charges and derivative liabilities and the impact thereof; contingencies; future environmental compliance and changes in the regulatory environment; future offerings of equity or debt securities; asset sales and associated costs; future working capital, costs, revenues, business opportunities, debt levels, cash flows, margins, earnings and growth. These statements are based on assumptions and assessments made by our management in light of their experience and their perception of historical and current trends, current conditions, possible future developments and other factors they believe to be appropriate. Forward-looking statements are not guarantees, representations or warranties and are subject to risks and uncertainties, many of which are unforeseeable and beyond our control and could cause actual results, developments and business decisions to differ materially from those contemplated by such forward-looking statements. Some of those risks and uncertainties include the risk factors set forth in our filings with the SEC and the following: counterparty risks; capital markets' valuation and pricing risks; adverse effects of climate changes or natural disasters; global economic and capital market uncertainties; the speculative nature of gold or mineral exploration, including risks of diminishing quantities or grades of qualified resources; operational or technical difficulties in connection with exploration or mining activities; contests over title to properties; potential dilution to our stockholders from our stock issuances and recapitalization and balance sheet restructuring activities; potential inability to comply with applicable government regulations or law; adoption of or changes in legislation or regulations adversely affecting businesses; permitting constraints or delays; decisions regarding business opportunities that may be presented to, or pursued by, us or others; the impact of, or the non-performance by parties under agreements relating to, acquisitions, joint ventures, strategic alliances, business combinations, asset sales, leases, options and investments to which we may be party; changes in the United States or other monetary or fiscal policies or regulations; interruptions in production capabilities due to capital constraints; equipment failures; fluctuation of prices for gold or certain other commodities (such as silver, zinc, cyanide, water, diesel fuel and electricity); changes in generally accepted accounting principles; adverse effects of terrorism and geopolitical events; potential inability to implement business strategies; potential inability to grow revenues; potential inability to attract and retain key personnel; interruptions in delivery of critical supplies, equipment and raw materials due to credit or other limitations imposed by vendors or others; assertion of claims, lawsuits and proceedings; potential inability to satisfy debt and lease obligations; potential inability to maintain an effective system of internal controls over financial reporting; potential inability or failure to timely file periodic reports with the SEC; potential inability to list our securities on any securities exchange or market; inability to maintain the listing of our securities; and work stoppages or other labor difficulties. Occurrence of such events or circumstances could have a material adverse effect on our business, financial condition, results of operations or cash flows or the market price of our securities. All subsequent written and oral forward-looking statements by or attributable to us or persons acting on our behalf are expressly qualified in their entirety by these factors. Except as may be required by securities or other law, we undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.

Neither this press release nor any related calls or discussions constitutes an offer to sell, the solicitation of an offer to buy or a recommendation with respect to any securities of the Company, the fund or any other issuer.